Global Patent Index - EP 3297073 B1

EP 3297073 B1 20190522 - ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND ANODE FOR LITHIUM SECONDARY BATTERY INCLUDING SAME

Title (en)

ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND ANODE FOR LITHIUM SECONDARY BATTERY INCLUDING SAME

Title (de)

AKTIVES ANODENMATERIAL FÜR EINE LITHIUMSEKUNDÄRBATTERIE UND ANODE FÜR LITHIUMSEKUNDÄRBATTERIE DAMIT

Title (fr)

MATÉRIAU ACTIF D'ANODE POUR UNE BATTERIE RECHARGEABLE AU LITHIUM ET ANODE POUR UNE BATTERIE RECHARGEABLE AU LITHIUM COMPRENANT CE DERNIER

Publication

EP 3297073 B1 20190522 (EN)

Application

EP 16879409 A 20161223

Priority

  • KR 20150184809 A 20151223
  • KR 20160176723 A 20161222
  • KR 2016015195 W 20161223

Abstract (en)

[origin: EP3297073A1] The present invention relates to a negative electrode active material for a lithium secondary battery, which includes (A) first artificial graphite having an average particle diameter (D50) of 15 µm to 20 µm and (B) second artificial graphite having an average particle diameter (D50) of 3 µm to 5 µm, wherein the first artificial graphite (A) includes a secondary artificial graphite particle, in which at least one primary artificial graphite particle is agglomerated, and a carbon coating layer, and a weight ratio of the first artificial graphite to the second artificial graphite is in a range of 85:15 to 95:5, a negative electrode including the same, and a lithium secondary battery including the negative electrode.

IPC 8 full level

H01M 4/02 (2006.01); H01M 4/133 (2010.01); H01M 4/36 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/587 (2010.01); H01M 10/052 (2010.01); H01M 10/0525 (2010.01)

CPC (source: EP KR US)

H01M 4/133 (2013.01 - EP KR US); H01M 4/364 (2013.01 - EP US); H01M 4/366 (2013.01 - EP KR US); H01M 4/505 (2013.01 - EP US); H01M 4/525 (2013.01 - EP US); H01M 4/587 (2013.01 - EP KR US); H01M 10/052 (2013.01 - EP KR US); H01M 10/0525 (2013.01 - EP US); H01M 2004/021 (2013.01 - EP US); H01M 2004/027 (2013.01 - EP KR US); H01M 2220/20 (2013.01 - EP US); Y02E 60/10 (2013.01 - EP KR US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3297073 A1 20180321; EP 3297073 A4 20180321; EP 3297073 B1 20190522; CN 107851795 A 20180327; CN 107851795 B 20201201; JP 2018523912 A 20180823; JP 6621926 B2 20191218; KR 102088491 B1 20200313; KR 20170075661 A 20170703; PL 3297073 T3 20191129; US 10439221 B2 20191008; US 2018190985 A1 20180705

DOCDB simple family (application)

EP 16879409 A 20161223; CN 201680040848 A 20161223; JP 2018528931 A 20161223; KR 20160176723 A 20161222; PL 16879409 T 20161223; US 201615737652 A 20161223